Mealey's (May 19, 2023, 12:45 PM EDT) -- NEW YORK — AstraZeneca PLC shareholders who accused the company and executives of making material misstatements regarding testing of a COVID-19 vaccine failed to “adequately [plead] falsity or facts fiving rise to a strong inference of scienter,” a Second Circuit U.S. Court of Appeals panel ruled, affirming dismissal of the complaint....